Country codes: T

 Taiwan

ISO 3166-1 numeric 158	ISO 3166-1 alpha-3 TWN	ISO 3166-1 alpha-2 TW	ICAO airport code prefix RC
E.164 code 886	IOC country code TPE	Country code top-level domain .tw	ICAO aircraft regis. prefix B-
E.212 mobile country code 466	NATO three-letter code TWN	NATO two-letter code TW	LOC MARC code CH
ITU Maritime ID 416	ITU letter code —	FIPS country code TW	License plate code RC
GS1 GTIN prefix 471	UNDP country code —	WMO country code TW	ITU callsign prefixes —

*	Some codes are assigned to Taiwan or Taiwan, Province of China, while some are assigned to the Republic of China. See also Chinese Taipei, political status of Taiwan and China and the United Nations.

 Tajikistan

ISO 3166-1 numeric 762	ISO 3166-1 alpha-3 TJK	ISO 3166-1 alpha-2 TJ	ICAO airport code prefix UT
E.164 code 992	IOC country code TJK	Country code top-level domain .tj	ICAO aircraft regis. prefix EY-
E.212 mobile country code 436	NATO three-letter code TJK	NATO two-letter code TI	LOC MARC code TA
ITU Maritime ID —	ITU letter code TJK	FIPS country code TI	License plate code TJ
GS1 GTIN prefix 488	UNDP country code TAJ	WMO country code TZ	ITU callsign prefixes EYA-EYZ

 Tanzania

ISO 3166-1 numeric 834	ISO 3166-1 alpha-3 TZA	ISO 3166-1 alpha-2 TZ	ICAO airport code prefix HT
E.164 code 255	IOC country code TAN	Country code top-level domain .tz	ICAO aircraft regis. prefix 5H-
E.212 mobile country code 640	NATO three-letter code TZA	NATO two-letter code TZ	LOC MARC code TZ
ITU Maritime ID 674, 677	ITU letter code TZA	FIPS country code TZ	License plate code EAT
GS1 GTIN prefix 620	UNDP country code URT[a]	WMO country code TN	ITU callsign prefixes 5HA-5IZ

Notes

1. United Republic of Tanzania

 Thailand

ISO 3166-1 numeric 764	ISO 3166-1 alpha-3 THA	ISO 3166-1 alpha-2 TH	ICAO airport code prefix VT
E.164 code 66	IOC country code THA	Country code top-level domain .th	ICAO aircraft regis. prefix HS-
E.212 mobile country code 520	NATO three-letter code THA	NATO two-letter code TH	LOC MARC code TH
ITU Maritime ID 567	ITU letter code THA	FIPS country code TH	License plate code T
GS1 GTIN prefix 885	UNDP country code THA	WMO country code TH	ITU callsign prefixes E2A-E2Z, HSA-HSZ

 Timor-Leste

ISO 3166-1 numeric 626	ISO 3166-1 alpha-3 TLS	ISO 3166-1 alpha-2 TL	ICAO airport code prefix WP
E.164 code 670	IOC country code TLS	Country code top-level domain .tl	ICAO aircraft regis. prefix —
E.212 mobile country code 514	NATO three-letter code TLS	NATO two-letter code TM	LOC MARC code EM
ITU Maritime ID —	ITU letter code TLS	FIPS country code TT	License plate code TL (unofficial)
GS1 GTIN prefix —	UNDP country code TIM	WMO country code TM	ITU callsign prefixes 4WA-4WZ

 Togo

ISO 3166-1 numeric 768	ISO 3166-1 alpha-3 TGO	ISO 3166-1 alpha-2 TG	ICAO airport code prefix DX
E.164 code 228	IOC country code TOG	Country code top-level domain .tg	ICAO aircraft regis. prefix 5V-
E.212 mobile country code 615	NATO three-letter code TGO	NATO two-letter code TO	LOC MARC code TG
ITU Maritime ID 671	ITU letter code TGO	FIPS country code TO	License plate code TG
GS1 GTIN prefix —	UNDP country code TOG	WMO country code TG	ITU callsign prefixes 5VA-5VZ

 Tokelau (division of New Zealand)

ISO 3166-1 numeric 772	ISO 3166-1 alpha-3 TKL	ISO 3166-1 alpha-2 TK	ICAO airport code prefix —
E.164 code 690	IOC country code —	Country code top-level domain .tk	ICAO aircraft regis. prefix ZK-
E.212 mobile country code 530	NATO three-letter code TKL	NATO two-letter code TL	LOC MARC code TL
ITU Maritime ID —	ITU letter code TKL	FIPS country code TL	License plate code —
GS1 GTIN prefix —	UNDP country code TOK	WMO country code TK	ITU callsign prefixes —

 Tonga

ISO 3166-1 numeric 776	ISO 3166-1 alpha-3 TON	ISO 3166-1 alpha-2 TO	ICAO airport code prefix NFT
E.164 code 676	IOC country code TGA	Country code top-level domain .to	ICAO aircraft regis. prefix A3-
E.212 mobile country code 539	NATO three-letter code TON	NATO two-letter code TN	LOC MARC code TO
ITU Maritime ID 570	ITU letter code TON	FIPS country code TN	License plate code TO (unofficial)
GS1 GTIN prefix —	UNDP country code TON	WMO country code TO	ITU callsign prefixes A3A-A3Z

 Trinidad and Tobago

ISO 3166-1 numeric 780	ISO 3166-1 alpha-3 TTO	ISO 3166-1 alpha-2 TT	ICAO airport code prefix TT
E.164 code 1	IOC country code TTO	Country code top-level domain .tt	ICAO aircraft regis. prefix 9Y-
E.212 mobile country code 374	NATO three-letter code TTO	NATO two-letter code TD	LOC MARC code TR
ITU Maritime ID 362	ITU letter code TRD	FIPS country code TD	License plate code TT
GS1 GTIN prefix —	UNDP country code TRI	WMO country code TD	ITU callsign prefixes 9YA-9ZZ

 Tunisia

ISO 3166-1 numeric 788	ISO 3166-1 alpha-3 TUN	ISO 3166-1 alpha-2 TN	ICAO airport code prefix DT
E.164 code 216	IOC country code TUN	Country code top-level domain .tn	ICAO aircraft regis. prefix TS-
E.212 mobile country code 605	NATO three-letter code TUN	NATO two-letter code TS	LOC MARC code TI
ITU Maritime ID 672	ITU letter code TUN	FIPS country code TS	License plate code TN
GS1 GTIN prefix 619	UNDP country code TUN	WMO country code TS	ITU callsign prefixes 3VA-3VZ, TSA-TSZ

 Turkey

ISO 3166-1 numeric 792	ISO 3166-1 alpha-3 TUR	ISO 3166-1 alpha-2 TR	ICAO airport code prefix LT
E.164 code 90	IOC country code TUR	Country code top-level domain .tr	ICAO aircraft regis. prefix TC-
E.212 mobile country code 286	NATO three-letter code TUR	NATO two-letter code TU	LOC MARC code TU
ITU Maritime ID 271	ITU letter code TUR	FIPS country code TU	License plate code TR
GS1 GTIN prefix 868-869	UNDP country code TUR	WMO country code TU	ITU callsign prefixes TAA-TCZ, YMA-YMZ

 Turkmenistan

ISO 3166-1 numeric 795	ISO 3166-1 alpha-3 TKM	ISO 3166-1 alpha-2 TM	ICAO airport code prefix UT
E.164 code 993	IOC country code TKM	Country code top-level domain .tm	ICAO aircraft regis. prefix EZ-
E.212 mobile country code 438	NATO three-letter code TKM	NATO two-letter code TX	LOC MARC code TK
ITU Maritime ID 434	ITU letter code TKM	FIPS country code TX	License plate code TM
GS1 GTIN prefix 483	UNDP country code TUK	WMO country code TR	ITU callsign prefixes EZA-EZZ

 Turks and Caicos Islands

ISO 3166-1 numeric 796	ISO 3166-1 alpha-3 TCA	ISO 3166-1 alpha-2 TC	ICAO airport code prefix MB
E.164 code 1	IOC country code —	Country code top-level domain .tc	ICAO aircraft regis. prefix VQ-T-
E.212 mobile country code 376	NATO three-letter code TCA	NATO two-letter code TK	LOC MARC code TC
ITU Maritime ID 364	ITU letter code TCA	FIPS country code TK	License plate code —
GS1 GTIN prefix —	UNDP country code TCI	WMO country code TI	ITU callsign prefixes —

 Tuvalu

ISO 3166-1 numeric 798	ISO 3166-1 alpha-3 TUV	ISO 3166-1 alpha-2 TV	ICAO airport code prefix NGF
E.164 code 688	IOC country code TUV	Country code top-level domain .tv	ICAO aircraft regis. prefix T2-
E.212 mobile country code 553	NATO three-letter code TUV	NATO two-letter code TV	LOC MARC code TV
ITU Maritime ID 572	ITU letter code TUV	FIPS country code TV	License plate code TUV (unofficial)
GS1 GTIN prefix —	UNDP country code TUV	WMO country code TV	ITU callsign prefixes T2A-T2Z